Container database

摘要

A container database may contain multiple database dictionaries, each database dictionary defining a pluggable database. When database sessions are established on a container DBMS, each database session is given access to a pluggable database by establishing the respective database dictionary of the pluggable database as the database dictionary for that database session. Database commands issued through database session can only access the database objects defined in the database dictionary established for the database session.

主权项

1. A method, comprising:
a database server establishing a plurality of database sessions for access to a plurality of pluggable databases in a container database, wherein said container database includes a separate database dictionary for each pluggable database of said plurality of pluggable databases, wherein said database server establishing a plurality of database sessions includes, for each database session of said plurality of database sessions:
receiving a connection request;determining that the connection request is for access to a particular pluggable database of said plurality of said pluggable databases; andattaching the respective database dictionary of said particular pluggable database to said each database session.